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  • How to solve this problem- Photoelectric emmision occurs only when the incident light has more than a certain minimum

Photoelectric emmision occurs only when the incident light has more than a certain minimum

  • Option 1)

    power

  • Option 2)

    wavelength

  • Option 3)

    intensity

  • Option 4)

    frequency

 

Answers (1)

best_answer

As we discussed in concept

Threshold frequency -

The minimum frequency of incident radiation to eject electron is threshold frequency ( u_{0})

- wherein

If incident frequency v< u _{0}

No photoelectron emission

 

 Photoelectrons emitted when incident light has energy or frequency more than a certain minimum value caused threshold frequency.

 


Option 1)

power

This option is incorrect.

Option 2)

wavelength

This option is incorrect.

Option 3)

intensity

This option is incorrect.

Option 4)

frequency

This option is correct.

Posted by

prateek

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